답안 #900245

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
900245	2024-01-08T01:32:27 Z	theghostking	Palindrome-Free Numbers (BOI13_numbers)	C++17	71.25 / 100	1 ms	600 KB

numbers

#include <bits/stdc++.h>
using namespace std;

#define int long long

vector<int> num;

int dp[20][12][12][2];
//pos, last digit, last last digit, tight
//11 -> no digit

int call(int pos, int lst, int lslst, int f){
    if (pos == num.size()){
        return 1;
    }
    if (dp[pos][lst][lslst][f] != -1) return dp[pos][lst][lslst][f];
    int res = 0;
    int lmt = 0;
    if (f == 0){
        lmt = num[pos];
    }
    else{
        lmt = 9;
    }
    for (int dgt = 0; dgt <= lmt; dgt++){
        if (dgt == lst || dgt == lslst) continue;
        int nf = f;
        if (f == 0 && dgt < lmt) nf = 1;
        res += call(pos+1,dgt,lst,nf);
    }
    return dp[pos][lst][lslst][f] = res;
}

int solve(int b){
    num.clear();
    while (b > 0){
        num.push_back(b%10);
        b /= 10;
    }
    reverse(num.begin(),num.end());
    memset(dp,-1,sizeof(dp));
    int res = call(0,11,11,0);
    return res;
}

signed main() {
    int a,b;
    cin >> a >> b;
    if (a != 0){
        cout << solve(b)-solve(a-1);
    }
    else{
        cout << solve(b)+1;
    }
    return 0;
}

Compilation message

numbers.cpp: In function 'long long int call(long long int, long long int, long long int, long long int)':
numbers.cpp:13:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     if (pos == num.size()){
      |         ~~~~^~~~~~~~~~~~~

Subtask #1

11.25 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	348 KB	Output isn't correct
2	Incorrect	0 ms	348 KB	Output isn't correct
3	Correct	0 ms	348 KB	Output is correct
4	Incorrect	0 ms	348 KB	Output isn't correct
5	Incorrect	0 ms	348 KB	Output isn't correct
6	Incorrect	0 ms	348 KB	Output isn't correct
7	Incorrect	1 ms	344 KB	Output isn't correct
8	Incorrect	0 ms	348 KB	Output isn't correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Incorrect	0 ms	348 KB	Output isn't correct
15	Incorrect	0 ms	348 KB	Output isn't correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Incorrect	0 ms	348 KB	Output isn't correct
19	Correct	0 ms	348 KB	Output is correct
20	Incorrect	0 ms	348 KB	Output isn't correct

Subtask #2

60.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Incorrect	1 ms	348 KB	Output isn't correct
6	Correct	1 ms	344 KB	Output is correct
7	Incorrect	0 ms	348 KB	Output isn't correct
8	Incorrect	0 ms	348 KB	Output isn't correct
9	Incorrect	1 ms	344 KB	Output isn't correct
10	Incorrect	0 ms	348 KB	Output isn't correct
11	Correct	0 ms	348 KB	Output is correct
12	Incorrect	0 ms	348 KB	Output isn't correct
13	Incorrect	0 ms	348 KB	Output isn't correct
14	Incorrect	0 ms	348 KB	Output isn't correct
15	Incorrect	0 ms	348 KB	Output isn't correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	600 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	352 KB	Output is correct
35	Correct	1 ms	352 KB	Output is correct
36	Correct	0 ms	352 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct